ScrewMyCode.in: Pitch control for YouTube

manifest.json

{
  "manifest_version": 2,
  "version": "2.4.0",
  "name": "ScrewMyCode.in: Pitch control for YouTube",
  "short_name": "ScrewMyCode.in",
  "description": "Slow down and speed up videos directly on YouTube like you would on a turntable.",
  "icons": {
    "128": "assets/icon-128.png"
  },
  "browser_action": {
    "default_icon": {
      "128": "assets/icon-128.png"
    },
    "default_title": "ScrewMyCode.in",
    "default_popup": "popup/index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "scripts/content.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "permissions": [
    "storage",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{872c65ed-a9cf-4f58-871b-71f787a4f436}"
    }
  }
}